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CdSe量子点滤光片尺寸、温度依赖的光学特性

王佳彤 黄启章 高剑峤 马越 邢笑雪 张宇

王佳彤, 黄启章, 高剑峤, 马越, 邢笑雪, 张宇. CdSe量子点滤光片尺寸、温度依赖的光学特性[J]. 中国光学, 2021, 14(1): 163-169. doi: 10.37188/CO.2020-0198
引用本文: 王佳彤, 黄启章, 高剑峤, 马越, 邢笑雪, 张宇. CdSe量子点滤光片尺寸、温度依赖的光学特性[J]. 中国光学, 2021, 14(1): 163-169. doi: 10.37188/CO.2020-0198
WANG Jia-tong, HUANG Qi-zhang, GAO Jian-qiao, MA Yue, XING Xiao-xue, ZHANG Yu. Size and temperature dependence of spectral transmittance for CdSe colloidal quantum dot film filters[J]. Chinese Optics, 2021, 14(1): 163-169. doi: 10.37188/CO.2020-0198
Citation: WANG Jia-tong, HUANG Qi-zhang, GAO Jian-qiao, MA Yue, XING Xiao-xue, ZHANG Yu. Size and temperature dependence of spectral transmittance for CdSe colloidal quantum dot film filters[J]. Chinese Optics, 2021, 14(1): 163-169. doi: 10.37188/CO.2020-0198

CdSe量子点滤光片尺寸、温度依赖的光学特性

doi: 10.37188/CO.2020-0198
基金项目: 国家自然科学基金优秀青年基金(No. 61722504);国家科技部重点研发计划项目(No. 2017YFB0403601);国家自然科学基金面上项目(No. 61675086)国家自然科学基金项目(No. 61805021)
详细信息
    作者简介:

    王佳彤(1995—),女,吉林长春人,硕士研究生,2017年于长春理工大学获得理学学士学位,现为吉林大学电子科学与工程学院硕士研究生,主要从事胶体量子点微型光谱方面的研究。E-mail:2964280752@qq.com

    邢笑雪(1981—),女,山西霍州人,副教授,硕士生导师,2014年于吉林大学通信工程学院获得博士学位,现工作于长春大学电子信息工程学院,主要从事量子点成像光谱系统的研究。E-mail: xiaoxue8184@126.com

    张宇:张 宇(1982—),男,吉林长春人,教授,博士生导师,2010年于吉林大学电子科学与工程学院获得博士学位,2008—2011年于美国伍斯特理工学院、宾夕法尼亚州立大学学习和博士后研究工作,现为吉林大学电子科学与工程学院,集成光电子学国家重点实验室教授、博士生导师,主要从事纳米光电材料与器件方面的研究。E-mail:yuzhang@jlu.edu.cn

  • 中图分类号: O472+.3

Size and temperature dependence of spectral transmittance for CdSe colloidal quantum dot film filters

Funds: Outstanding Youth Fund of the National Natural Science Foundation of China (No. 61722504); Key R&D Program Project of the Ministry of Science and Technology (No. 2017YFB0403601); General Project of National Natural Science Foundation of China (No. 61675086); National Natural Science Foundation of China (No. 61850021)
More Information
  • 摘要: 为了缩小光谱仪体积使之适用于军事卫星等领域,本文将胶体量子点作为滤光材料,研究了CdSe胶体量子点滤光片的光学特性。本文采用热注入法合成出了高质量的CdSe胶体量子点,经过对苯二胺消光处理制备成CdSe胶体量子点滤光片。利用透射电子显微镜(TEM)进行样品形貌结构的表征及粒径尺寸的测量,并分别在不同温度下进行了紫外-可见吸收测量和紫外-可见透过率测量。实验表明,在室温情况下,CdSe胶体量子点薄膜的吸收和透过率均随粒径尺寸的增加而增加;在给定粒径尺寸的情况下,CdSe胶体量子点薄膜吸收与透过率曲线的第一激子吸收峰峰位随温度升高发生红移,CdSe胶体量子点薄膜吸收曲线温度每增加10 K红移不超过1 nm,且半峰宽增加;此外,经反复实验验证CdSe胶体量子点滤光片的稳定性及可调谐特性,证实其适合作为截止滤光片。上述结果表明,CdSe 胶体量子点滤光片在微型光谱仪方面具有良好的应用价值。
  • 图  1  CdSe量子点滤光片

    Figure  1.  CdSe quantum dot filter

    图  2  (a)~(c) 3种样品TEM图(插图为对应的HRTEM);(e)~(f) 3种样品粒径尺寸直方图

    Figure  2.  (a)~(c) TEM images of three samples (the inset is the corresponding HRTEM); (e)~(f) the particle size distributions of the three samples

    图  3  CdSe胶体量子点薄膜的第一激子吸收峰随粒子尺寸的变化曲线

    Figure  3.  First exciton absorption peak of CdSe colloidal quantum dot film varying with the particle size

    图  4  不同CdSe胶体量子点的薄膜光谱透过率曲线

    Figure  4.  Spectral transmittance curves of different CdSe colloidal quantum dot films

    图  5  不同粒径尺寸下,3种CdSe胶体量子点薄膜温度导致的吸收光谱曲线位移

    Figure  5.  Absorption spectra curve shift caused by temperature change of CdSe colloidal quantum dots films with three different particle sizes

    图  6  不同粒径尺寸下,3种CdSe胶体量子点薄膜温度导致的透过率曲线位移

    Figure  6.  Transmittance curve shift caused by temperature change of CdSe colloidal quantum dot films with three different particle sizes

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出版历程
  • 收稿日期:  2020-11-10
  • 修回日期:  2020-11-30
  • 网络出版日期:  2021-01-08
  • 刊出日期:  2021-01-25

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